* {
    margin: 0;
    padding: 0;
}


/*网页背景*/
body{
    background-image: url("../common/img/bg2.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 100%;
}


header{
    height: 200px;
    padding-top: 1px;
}
h1{
    font-size: 400%;
    font-weight: bolder;
    color: white;
}
.header_title{
    margin: 50px 0 0 100px;
}



/*基本设置*/
main{
    width: 1460px;
    margin: 0 auto;
    border-top: 1px rgba(0,0,0,0) solid;
    background-color: rgba(0,0,0,0);
}

stateless_part{
    /*height: 1000px;*/
    width: 100%;
    margin: 60px auto;
    display: block;
    border-top: 1px rgba(0,0,0,0) solid;
    background-color: rgba(0,0,0,0);
    border-radius: 20px;
}
/*表格样式*/
#t1 tr td{
    border: black 1px solid;
}
header{
    width: 100%;
}
left{
    margin-right: 30px;
    margin-bottom: 30px;
    width: 1000px;
    height: 100%;
    float: left;
}
right{
    margin-left: 30px;
    width: 400px;
    height: 100%;
    float: right;
    position: sticky;
    top: 51px;
}

.list{
    width: 100%;
    font-size: large;
}
.list input{
    display: block;
    height: 30px;
    width: 100%;
    font-size: 90%;
}
.b1 table{
    width: 100%;
    height: 40px;
}
.b1 button{
    width: 90%;
    height: 100%;
}



footer{
    height: 100px;
}

/* 每个内容的方框 */
left, right {
    padding: 30px;
    background-color: #f8f9fe;
    margin-top: 60px;
    box-shadow: 0 0 10px 10px lightgrey;
    border-radius: 20px;
}